# ISortCriteria Interface

Namespace: [Qlik.Engine](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.htm)  
Assembly: Qlik.Engine.dll

## Syntax

```
[ValueClass]
public interface ISortCriteria
```

## Properties

| Name | Description |
| --- | --- |
| [Expression](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ISortCriteria.Expression.htm#Qlik_Engine_ISortCriteria_Expression) | Sort by expression.<br><br>JSON property name: qExpression |
| [SortByAscii](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ISortCriteria.SortByAscii.htm#Qlik_Engine_ISortCriteria_SortByAscii) | Sorts the field by alphabetical order.<br><br>JSON property name: qSortByAscii |
| [SortByExpression](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ISortCriteria.SortByExpression.htm#Qlik_Engine_ISortCriteria_SortByExpression) | Sorts the field by expression.<br><br>JSON property name: qSortByExpression |
| [SortByFrequency](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ISortCriteria.SortByFrequency.htm#Qlik_Engine_ISortCriteria_SortByFrequency) | Sorts the field values by frequency (number of occurrences in the field).<br><br>JSON property name: qSortByFrequency |
| [SortByGreyness](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ISortCriteria.SortByGreyness.htm#Qlik_Engine_ISortCriteria_SortByGreyness) | JSON property name: qSortByGreyness |
| [SortByLoadOrder](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ISortCriteria.SortByLoadOrder.htm#Qlik_Engine_ISortCriteria_SortByLoadOrder) | Sorts the field values by the initial load order.<br><br>JSON property name: qSortByLoadOrder |
| [SortByNumeric](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ISortCriteria.SortByNumeric.htm#Qlik_Engine_ISortCriteria_SortByNumeric) | Sorts the field values by numeric value.<br><br>JSON property name: qSortByNumeric |
| [SortByState](https://help.qlik.com/en-US/sense-developer/November2025/Subsystems/NetSDKAPIref/Content/Qlik.Engine.ISortCriteria.SortByState.htm#Qlik_Engine_ISortCriteria_SortByState) | Sorts the field values according to their logical state (selected, optional, alternative or excluded).<br><br>JSON property name: qSortByState |